Tank cleaning spray head



FIG. 1 is a side elevational view of a tank cleaning spray head showing my new design;

FIG. 2 is another side elevational view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a side elevational view thereof, of the opposite side of FIG. 2; and,

FIG. 5 is a bottom plan view thereof. 

The ornamental design for a tank cleaning spray head, substantially as shown. 